Stock option plan (Tables)

3 Months Ended

Jan. 31, 2020

Share-based Payment Arrangement [Abstract]

Schedule of Stock Option Activity

The following table summarizes stock option activity for the three-month period ended January 31, 2020:

	No. of Options		Weighted Average
	Outstanding		Exercise Price
Options outstanding beginning of period		310,740	$	18.35
Options granted during period		—		—
Options forfeited/cancelled during period		—		—
Options outstanding end of period		310,740	$	18.35
Options vested and expected to vest		308,310
Options exercisable at end of period		260,140